Format
KA
Kostoglou, Apostolos
🇬🇷FIDE 42145554· Male· Greece· Born in 2013
Follow Apostolos KostoglouTrack his monthly FIDE ratings, games, tournaments and more.
Apostolos Kostoglou, a 13-year-old Greek player, is rated 1730 — just 4 short of his peak of 1734 (Feb 2026, age 13). He is rising rapidly, having gained +219 Elo over the past 12 months. 25 rated games in the past year (≈18/year long-term). Recent standard appearances include 17th National Greek Youth Team U16 Championship 2025 finals, 19th Youth Team U12 Championship of ESSTH-CHALK 2025, and 17th National Youth Team U16 Championship - ESSTH-CHALK preliminaries 2025. Also played 3 rapid (including Training Rapid for school championships 2026 - A) and 2 blitz events (including 17th open Blitz G Ioakeimidis 2025) recently.
At junior level, he reached #20, #34 and #23 nationally in U14, U12 and U10.
Current rating
1730
Standard
Rpd1631·Blz1478
All-time high
1734
−4 pts below
Feb 2026 · age 13
Feb 2026 · age 13
Activity
22
games / yr avg. · ≈2/mo
25 past 12 mo · ≈2/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#99,478
#99,478 · players worldwide · of 218,279
Career timeline
10 entries2026
All-time peak 1734
at age 13 · −4 from today
Feb 2026
20th Greek U14 player
at age 13 · rated 1733
Jan 2026
2025
34th Greek U12 player
at age 12 · rated 1627
Dec 2025
Crossed 1600
at age 12
Dec 2025
Re-crossed 1500
at age 12
Apr 2025
2024
Best 12-month gain (+359 Elo)
1141 → 1500
Apr 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
FIDE recal.
Activity & highlights
Top opponent
Evolution
+207
1523 → 1730
Tournaments
5
28 games
Score
17.5/ 2862.5%
12W11D5L
Top 3 wins
1.[W]vsMaximos Megagiannis1,855·17th National Greek Youth Team U16 Championship 2025 finals·R4·+26.7
Top 3 losses
Last 12 months — tournaments
5 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Nov 2025 | 6/4 | #10 | 2506 | +105.6 |
Team | Nov 2025 | 1/1 | #35 | 2365 | +19.6 |
Team | Sep 2025 | 3/5 | #6 | 1668 | +25.6 |
Swiss | Jul 2025 | 5.5/9 | #7 | 1714 | +88.4 |
Open Swiss | Jun 2025 | 2/6 | #347 | 1580 | -30.8 |
Most-Played Opponents
vsMarios Diamantopoulos
🇬🇷GRE·1531
+5 −3 =0
8 games·last met Jun 2025
View head-to-head →
vsFilippos Nikakis
🇬🇷GRE·1672
+1 −3 =3
7 games·last met Sep 2025
View head-to-head →
vsVasileios Sp Alexandrakis
🇬🇷GRE·1808
+2 −2 =1
5 games·last met Mar 2026
View head-to-head →
vsNikolaos Gkadakis
🇬🇷GRE·1847
+2 −3 =0
5 games·last met Nov 2025
View head-to-head →
vsIoannis Noulis
🇬🇷GRE·1579
+3 −1 =1
5 games·last met Jun 2025
View head-to-head →
Rankings
/
Greece
#1,214
out of 3,681 players
Europe
#70,583
in continent
World
#99,476
out of 400,000+
National ranking
Europe & World
Europe
World
Greece
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| 4 | 🇬🇷Follow Stamatis Kourkoulos-ArditisTrack their monthly FIDE ratings, games, tournaments and more. | 2,570 |
| 5 | 🇬🇷Follow Hristos BanikasTrack their monthly FIDE ratings, games, tournaments and more. | 2,545 |
| 6 | 🇬🇷Follow Dimitrios MastrovasilisTrack their monthly FIDE ratings, games, tournaments and more. | 2,525 |
| 7 | 🇬🇷Follow Dimitris AlexakisTrack their monthly FIDE ratings, games, tournaments and more. | 2,524 |
| 8 | 🇬🇷Follow Stelios HalkiasTrack their monthly FIDE ratings, games, tournaments and more. | 2,505 |
| 9 | 🇬🇷Follow Evaggelos PatrelakisTrack their monthly FIDE ratings, games, tournaments and more. | 2,483 |
| 9 | 🇬🇷Follow Anatole VlachosTrack their monthly FIDE ratings, games, tournaments and more. | 2,483 |
| ... | ||
| 1214 | 1,730 | |
Europe
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,841 |
| 2 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 3 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,764 |
| 4 | 🇫🇷Follow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more. | 2,744 |
| 5 | 🇵🇱Follow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more. | 2,739 |
| 6 | 🇭🇺Follow Richard RapportTrack their monthly FIDE ratings, games, tournaments and more. | 2,729 |
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| 8 | 🇫🇷Follow Maxime Vachier-LagraveTrack their monthly FIDE ratings, games, tournaments and more. | 2,721 |
| 9 | 🇦🇿Follow Shakhriyar MamedyarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,717 |
| 10 | 🇹🇷Follow Yagiz Kaan ErdogmusTrack their monthly FIDE ratings, games, tournaments and more. | 2,713 |
| ... | ||
| 70583 | 1,730 | |
World
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,841 |
| 2 | 🇺🇸Follow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
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| 6 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 7 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,764 |
| 8 | 🇮🇳Follow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more. | 2,761 |
| 9 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
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| ... | ||
| 99476 | 1,730 | |